Solution : https://service.sap.com/sap/support/notes/566665 (SAP Service marketplace login required)
Key words :
terms c_obj#_intcol# cluster size large reason, cluster c_obj#_intcol# stores histogram data, oracle 9i onwards whenthe database, oracle cluster c_obj#_intcol#, system tablespace grows, databasewith 'startup migrate', c_obj#_intcol#, large size, unused space beyound, alter cluster
Related Notes :
797629 | FAQ: Oracle histograms |